/*#botonIntro{
text-align: center;
}*/

IMG.botonIntro {
	display: block;
	margin-left: auto;
	margin-right: auto 
}

ul.introli {
	list-style-image: url("../imagenes/vineta.png");
}

#chart_div {
    border: 3px solid black;
    -webkit-border-radius: 5px;
    -moz-border-radius: 5px;
          border-radius: 5px;
    height: 300px;
    left: 50%;
    margin-left: -302px;
    position: relative;
    width: 600px;
    margin-bottom: 50px;
}